Since human history began, people have wondered how things work and what makes our world the way it is. And thanks to thousands of years of experiments and ideas, we've found out all sorts of things! This book introduces the brilliant brains and eureka moments behind the greatest scientific discoveries in history-- black holes, moons, magnets, microscopic creatures, the truth about heat and light, what plants eat, DNA, disease and dinosaurs, atoms, asteroids and x-rays- and much much more! 8 years and up. Retail $10.99